Progressive Suspension 444 Series Shock Absorber - 444-4002C For Harley Motorcycles 1977-2026 Product Type_Lighting Uses Timken style sprocket shaft

Uses Timken style sprocket shaft bearings and 1958 and later pinion bearings (will not accept 1957 and earlier flywheels)

Has a simple belled rolled end with an inner steel tip

Optional matching passenger seat angles forward to support rider's back - sold separately

Core is perforated and wrapped in a stainless steel screen

Progressive Suspension 444 Series Shock Absorber - 444-4002C For Harley Motorcycles 1977-2026 Product Type_Lighting Uses Timken style sprocket shaftFeatures Feature the all new Frequency Sensing Technology (FST) which allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality Deflective disc valving Pre load spring adjusts by hand with no special tool needed Includes a progressive rate spring and are high pressure gas charged for consistent performance Shocks slightly longer than stock may alter head angle slightly and provide quicker steering.